Stong Pet

TO SUMMON THE WOLF
/summon wolf ~ ~ ~ {CustomName:WOLF_PET_X,Attributes:[{Name:generic.maxHealth,Base:80}],Health:99999999999.0f,Silent:1,ActiveEffects:[{Id:14,Amplifier:100,Duration:200000000,ShowParticles:0b}]}

APPY TO ARMOUR STAND
/entitydata @e[type=armor_stand,r=1] {CustomName:PET_X,Invisible:1b}

COMMAND BLOCKS
/tp @e[name=PET_X] @e[name=WOLF_PET_X]
/tp @e[name=PET_X] ~ ~-1.4 ~